/***************************************************************************
 *   oboe.controllers.KeyboardController				   *
 *   Copyright (C) 2011 by Felipe Manga					*
 *   lufeboma@gmail.com							*
 *									 *
 *   Permission is hereby granted, free of charge, to any person obtaining *
 *   a copy of this software and associated documentation files (the	   *
 *   "Software"), to deal in the Software without restriction, including   *
 *   without limitation the rights to use, copy, modify, merge, publish,   *
 *   distribute, sublicense, and/or sell copies of the Software, and to	*
 *   permit persons to whom the Software is furnished to do so, subject to *
 *   the following conditions:						 *
 *									 *
 *   The above copyright notice and this permission notice shall be	*
 *   included in all copies or substantial portions of the Software.	   *
 *									 *
 *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,	   *
 *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF	*
 *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
 *   IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR	 *
 *   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, *
 *   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR *
 *   OTHER DEALINGS IN THE SOFTWARE.					   *
 ***************************************************************************/


package oboe.controllers;

import flash.events.KeyboardEvent;

import oboe.core.Oboe;
import oboe.core.SigSlot;

class KeyboardController extends SigSlot
{
private var listenerAdded:Bool;
private var eventList:Int;

public static inline var KEY_DOWN:Int = 1;
public static inline var KEY_UP:Int = 2;

public static inline var SIG_ONKEYUP:String = "onKeyUp";
public static inline var SIG_ONKEYDOWN:String = "onKeyDown";

public function new( events:Int )
{
	super();
	this.listenerAdded=false;
	this.eventList = events;
}

public function slot_onAddToParent():Void
{
	if( this.eventList & KEY_DOWN )
	{
	Oboe.stage.addEventListener(KeyboardEvent.KEY_DOWN, onKeyDown);
	}
	if( this.eventList & KEY_UP )
	{
	Oboe.stage.addEventListener(KeyboardEvent.KEY_UP, onKeyUp);
	}
	this.listenerAdded = true;
}

public function slot_onRemoveFromParent():Void
{
	if( !this.listenerAdded ) return;
	if( this.eventList & KEY_DOWN )
	{
	Oboe.stage.removeEventListener(KeyboardEvent.KEY_DOWN, onKeyDown);
	}
	if( this.eventList & KEY_UP )
	{
	Oboe.stage.removeEventListener(KeyboardEvent.KEY_UP, onKeyUp);
	}
}

private function onKeyDown( k:KeyboardEvent ):Void
{
	this.signalUp(SIG_ONKEYDOWN, k);
}

private function onKeyUp( k:KeyboardEvent ):Void
{
	this.signalUp(SIG_ONKEYUP, k);
}
}